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How do I know when to consider euthanasia for my cat with leukemia?

Updated On September 23rd, 2025

Pet's info: Cat | Mixed Breed | Male | neutered

My cat has leukemia. Should I get him euthanized?

2 Answers

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on August 25th, 2016

I'm very sorry Felix has leukemia! It is a very hard decision to make if you want to euthanized him or not. It really depends on how he is doing at the moment, what symptoms he is showing, and how much you want to invest in treatment. Eighty-five percent of cats who are diagnosed with FeLV die within three years of diagnosis. But regular vet care and good preventative health can help keep cats with this feeling well and can prevent secondary infections. Secondary infections from FeLV can be treated, and cats who develop can cancer receive chemotherapy. If you chose to treat him, you should do twice yearly vet visits with lab testing and parasite control to prevent complications and identify problems quickly. Felix should be kept indoors at all times now. Cats who has bone marrow compromise or widespread lymphoma do have a very poor prognosis. I wish I could give you an easy answer as to what to do, but depending on his current symptoms, Felix does have the possibility of living another couple of years with good vet care and treatment of any secondary infections. It's really up to you how much you want to invest in his treatment. I would be happy to consult with your further on this if you'd like. Simply select the "consult online" button under my answer to talk more.

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Other Answers

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    Answered By Andrea M. Brodie, DVM

    Veterinarian

    Published on

    There is no need to get your kitty euthanized as long as i he feels good and has a good quality of life. When he starts feeling bad and stops eating and drinking and there is no more treatment that will improve his condition, then you should listen to Felix. He will tell you when it is time.

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    13Pet Parents found this answer helpful

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